Baby bottle



FIG. 1 is a top, rear perspective view of a baby bottle showing my design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof, viewed from the left, rear;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines showing a cap, a nipple and a nipple seating ring illustrate environmental elements of the baby bottle which forms no part of the claimed design. 

The ornamental design for a baby bottle, as shown and described. 